Ask The Experts - What is the name and model of the old jaw crusher pictured in last month’s issue?
June 2020 by Chris Ralph
Q: I have tried various leaching techniques from which I cannot get a precipitate.
What minerals are magnetic? I have heard that super magnets (rare earth magnets) can capture platinum. True?
Estimating the gold content of ores with gold, quartz and other minerals?
What are the tell signs of garnet deposits?
Market for scheelite concentrates?
Q: Can you tell us what the indicator rocks are? I’ve looked at the nearby digs and pushes that were made for gold and it looks like we’re digging on some similar material...
The Bawl Mill • Our Readers Say Re: It's Time to Get the Heck Out of China • Ask The Experts - What’s the status of suction gold dredge permitting in California? • Ask The Experts - How do I properly and safely dispose of blasting caps? • Ask The Experts - How much silver per ton does it take to make a mine profitable? • Ask The Experts - How clean do my gold concentrates need to be to pour a gold button or bar? • Dredging Tips and Tricks: T-80 Air Compressor Maintenance • Hard Rock 101: Mechanical Techniques • Clearing the Nugget Trap with a Detector • Resurrecting an Old Hard Rock Mine—Setting Up the Millsite • Desert Prospecting Yields More Than Just Gold • Memories of Shirttail Creek, Northern California • Indictments Pile Up for Gold Traders • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices